/*----------------------------------------------------------------------------*/
int
ProcessPacket(mtcp_manager_t mtcp, const int ifidx,
uint32_t cur_ts, unsigned char *pkt_data, int len)
{
struct ethhdr *ethh = (struct ethhdr *)pkt_data;
u_short ip_proto = ntohs(ethh->h_proto);
int ret;
#ifdef PKTDUMP
DumpPacket(mtcp, (char *)pkt_data, len, "IN", ifidx);
#endif
#ifdef NETSTAT
mtcp->nstat.rx_packets[ifidx]++;
mtcp->nstat.rx_bytes[ifidx] += len + 24;
#endif /* NETSTAT */
#if 0
/* ignore mac address which is not for current interface */
int i;
for (i = 0; i < 6; i ++) {
if (ethh->h_dest[i] != CONFIG.eths[ifidx].haddr[i]) {
return FALSE;
}
}
#endif
if (ip_proto == ETH_P_IP) {
/* process ipv4 packet */
ret = ProcessIPv4Packet(mtcp, cur_ts, ifidx, pkt_data, len);
} else if (ip_proto == ETH_P_ARP) {
ProcessARPPacket(mtcp, cur_ts, ifidx, pkt_data, len);
return TRUE;
} else {
//DumpPacket(mtcp, (char *)pkt_data, len, "??", ifidx);
struct ps_packet packet;
packet.ifindex = ifidx;
packet.len = len;
packet.buf = (char *)pkt_data;
ps_slowpath_packet(mtcp->ctx->handle, &packet);
return TRUE;
}
#ifdef NETSTAT
if (ret < 0) {
mtcp->nstat.rx_errors[ifidx]++;
}
#endif
return ret;
}
int
ProcessPacket(mtcp_manager_t mtcp, const int ifidx,
uint32_t cur_ts, unsigned char *pkt_data, int len)
{
struct ethhdr *ethh = (struct ethhdr *)pkt_data;
u_short ip_proto = ntohs(ethh->h_proto);
int ret;
struct iphdr* iph = (struct iphdr *)(pkt_data + sizeof(struct ethhdr));
char src_buf[80];
char dest_buf[80];
uint8_t *t;
t = (uint8_t *)&iph->saddr;
sprintf(src_buf, "%u.%u.%u.%u", t[0], t[1], t[2], t[3]);
t = (uint8_t *)&iph->daddr;
sprintf(dest_buf, "%u.%u.%u.%u", t[0], t[1], t[2], t[3]);
#ifdef PKTDUMP
DumpPacket(mtcp, (char *)pkt_data, len, "IN", ifidx);
#endif
#ifdef NETSTAT
mtcp->nstat.rx_packets[ifidx]++;
mtcp->nstat.rx_bytes[ifidx] += len + 24;
#endif /* NETSTAT */
#if 0
/* ignore mac address which is not for current interface */
int i;
for (i = 0; i < 6; i ++) {
if (ethh->h_dest[i] != CONFIG.eths[ifidx].haddr[i]) {
return FALSE;
}
}
#endif
if (ip_proto == ETH_P_IP) {
/* process ipv4 packet */
if(check_ipaddrs(iph, DP_RAN_IP,DP_SINK_IP ))
{
return TRUE;
}
if(check_ipaddrs(iph, DP_SINK_IP,DP_RAN_IP ))
{
return TRUE;
}
ret = ProcessIPv4Packet(mtcp, cur_ts, ifidx, pkt_data, len);
} else if (ip_proto == ETH_P_ARP) {
ProcessARPPacket(mtcp, cur_ts, ifidx, pkt_data, len);
return TRUE;
} else {
//DumpPacket(mtcp, (char *)pkt_data, len, "??", ifidx);
mtcp->iom->release_pkt(mtcp->ctx, ifidx, pkt_data, len);
return TRUE;
}
#ifdef NETSTAT
if (ret < 0) {
mtcp->nstat.rx_errors[ifidx]++;
}
#endif
return ret;
}